Hercules Against the Moon Men (Maciste e la regina di Samar; Hercules and the Queen of Samar; Maciste vs. the Stone Men) (1964) [Selena/Billis]: Playing a dual role, "Selena" is dead before the movie begins, but is briefly brought back to life when the aliens use "Billis"' blood to resurrect her; she dies once again when Sergio Ciani interrupts the process to save "Billis," causing "Selena" to crumble into dust. (Note: I had previously misattributed this role to Anna Maria Polani.) (Thanks to Stephen and Johan)